| a coprological survey of parasites of wild mantled howling monkeys, alouatta palliata palliata. | fecal samples from 155 mantled howling monkeys (alouatta palliata palliata) examined at centro ecologico la pacifica, guanacaste province, costa rica, revealed 75 (48%) had parasitic infections. a sampling of nine howling monkeys from santa rosa national park. costa rica indicated only one infected animal (11%). only three of 19 (16%) spider monkeys (ateles geoffroyi) also from santa rosa were infected. controrchis biliophilus, trypanoxyuris minutus, unidentified strongylid eggs and isospora sp. ... | 1990 | 2250334 |